Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings. Express your answer in joules per kilogram per kelvin. C = J/(kg - K) Submit Request Answer Part B Suppose that in this experiment heat transfer from the liquid to the container or its surroundings cannot be ignored. Is the result calculated in part (a) an overestimate or an underestimate of the average s O underestimate O overestimate

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Chapter1: Units, Trigonometry. And Vectors
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A technician measures the specific heat of an unidentified liquid by immersing an electrical resistor in it. Electrical energy is converted to heat, which is then transferred to the liquid for 125 s at a constant rate of 67.9 W. The
mass of the liquid is 0.770 kg, and its temperature increases from 18.58°C to 22.57° C.
For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Circuit meltdown.
Part A
Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings.
Express your answer in joules per kilogram per kelvin.
V AZO
?
C =
J/(kg K)
Submit
Request Answer
Part B
Suppose that in this experiment heat transfer from the liquid to the container or its surroundings cannot be ignored. Is the result calculated in part (a) an overestimate or an underestimate of the average specific heat?
underestimate
O overestimate
Transcribed Image Text:A technician measures the specific heat of an unidentified liquid by immersing an electrical resistor in it. Electrical energy is converted to heat, which is then transferred to the liquid for 125 s at a constant rate of 67.9 W. The mass of the liquid is 0.770 kg, and its temperature increases from 18.58°C to 22.57° C. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Circuit meltdown. Part A Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings. Express your answer in joules per kilogram per kelvin. V AZO ? C = J/(kg K) Submit Request Answer Part B Suppose that in this experiment heat transfer from the liquid to the container or its surroundings cannot be ignored. Is the result calculated in part (a) an overestimate or an underestimate of the average specific heat? underestimate O overestimate
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